Home / 11,436.86-15,785.33-6,962.09

Finding the Fourth Proportional to 11,436.86, 15,785.33 and 6,962.09

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Solution

The fourth proportional to 11,436.86, 15,785.33 and 6,962.09 is: 9,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.86 : 15,785.33 = 6,962.09 : x
  2. Step 2: Convert to fraction form
    11,436.86/15,785.33 = 6,962.09/x
  3. Step 3: Cross multiply
    11,436.86x = 15,785.33 × 6,962.09
  4. Step 4: Simplify right side
    11,436.86x = 109,898,774.40
  5. Step 5: Solve for x
    x = 109,898,774.40/11,436.86
  6. Step 6: Final answer
    x = 9,609.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.